Coolpad 8010 CPLD-97 Compatible Battery 3.7V 1200mAh

Coolpad 8010 — 3.7V Li-ion Replacement Battery (CPLD-97)

This is a 3.7V, 1200mAh Li-ion cell for the Coolpad 8010 smartphone, keyed to OEM part number CPLD-97. It fits the 8010 directly — same connector, same form factor, same BMS communication protocol. Swap it in when the original cell no longer holds a usable charge through a normal day.

• Coolpad 8010 fitment: The 8010 uses a fixed BMS handshake tied to the CPLD-97 cell spec. This replacement matches that voltage rail and connector pinout, so the phone's charge IC accepts the new cell without throwing an authentication error or refusing to charge.
• Bench tested on actual hardware: We cycled this cell through charge and discharge on the bench. The BMS held the charge cutoff at the correct upper threshold and did not trip prematurely under simulated screen and modem load.
• Fuel gauge recalibration after installation: On first use, run one full discharge down to auto-shutoff, then charge uninterrupted to 100% before use. The Coolpad 8010's coulomb counter was calibrated to your old cell's discharge curve — skipping this step leaves the fuel gauge reading inaccurate against the new cell.

Sudden shutdown at 20–30% on the Coolpad 8010 after a cell swap

This happens because the fuel gauge IC still holds the discharge curve from the old, degraded cell. A fresh cell has a steeper voltage drop near the bottom of its charge window than the worn cell did. The phone's charge IC interprets that voltage cliff as empty and cuts power — even though the new cell has capacity left. One full discharge-to-shutoff cycle followed by an uninterrupted charge to 100% resets the coulomb counter against the new cell's actual curve, and the shutoffs stop.

Phone warm near the battery during the first few charges after replacement

A new cell typically has higher internal impedance on its first few cycles compared to a broken-in cell. The Coolpad 8010's charge IC pushes current at the same rate it used for the old cell, and higher impedance means more energy is lost as heat rather than stored charge. This is normal for the first two to three cycles and resolves as the cell's impedance drops with use. If warmth continues past the third full cycle, check that the phone's back cover is seated properly — trapped heat accelerates impedance problems.